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Synonyms for un relenting
adj merciless

tenacious
implacable
unwavering
continuous
constant
ruthless
ceaseless
persistent
incessant
unyielding
inexorable

unremitting
continual
relentless
endless
bound
bound and determined
cruel
grim
intransigent
mortal
perpetual

pitiless
remorseless
rigid
set
steady
stern
stiff
tough
unbending
unbroken
unflinching

unsparing
unabated
brick-wall
dead set on
hanging tough
hard-headed
iron-fisted
stiff-necked

Antonyms for un relenting

kind
merciful
changeable
varying
completed
halting
intermittent
interrupted
inconstant

infrequent
occasional
compassionate
surrendering
yielding
nice
wavering
ceasing
ending

finished
stopping
irregular
terminable
sympathetic
broken
flexible
relenting

Synonyms
adj unyielding

uncompromising
stubborn
resolute
determined
intransigent
insistent
rigid

firm
immovable
set
pat
stiff
fixed
hard-nosed

inexorable
inflexible
obdurate
relentless
unbending
unrelenting
unshakable

unbendable
hanging tough
set in stone
standing pat
unswayable

Antonyms

willing
irresolute
lenient
indefinite
movable

submissive
supple
flexible
yielding
weak

soft
moving
unfixed
pliant

Synonyms
adj severe in manner

stringent
somber
forbidding
rigid
exacting
sober
formal

ascetic
astringent
cold
earnest
grave
grim
hard

harsh
inexorable
inflexible
obdurate
rigorous
serious
solemn

stern
stiff
strict
unfeeling
unrelenting

Antonyms

meek
elaborate
encouraging
extravagant

indulgent
luxurious
flexible
bland

calm
gentle
mild
spending

Synonyms
adj refraining; abstinent

sober
subdued
abstemious
ascetic

chaste
continent
economical
puritanical

strict
unrelenting
self-denying
self-disciplined

straightlaced

Antonyms

excited
meek
elaborate
encouraging

extravagant
indulgent
luxurious
bland

calm
gentle
mild
spending

Synonyms
adj neverending

unrelenting
perpetual
chronic
continuous
eternal
persistent

incessant
unending
uninterrupted
ceaseless
unremitting
continual

sustained
relentless
nonstop
endless
everlasting
abiding

enduring
interminable
lasting
persisting

Antonyms

merciful
ephemeral
temporary
transient
intermittent
occasional
completed
discontinuous
halting
interrupted
infrequent
changeable
fickle

inconstant
unstable
unsteady
varying
concluding
disloyal
flagging
undecided
undetermined
untrue
untrustworthy
relenting
sympathetic

brief
ceasing
ending
finished
stopping
terminable
broken
fluctuating
irregular
wavering
terminating

Synonyms
adj vicious, pitiless; causing pain

atrocious
heartless
harsh
ruthless
inhuman
callous
cold-blooded
bitter
merciless
tyrannical
barbarous
vicious
evil

hateful
unkind
spiteful
brutal
painful
sadistic
wicked
relentless
bestial
bloodthirsty
degenerate
depraved
excruciating

ferocious
fierce
flinty
hard
hellish
implacable
inexorable
malevolent
monstrous
pernicious
poignant
revengeful
sinful

unfeeling
unnatural
unrelenting
vengeful
virulent
rancorous
inhumane
brutish
demoniac
hard-hearted

Antonyms

compassionate
considerate
kind
pleasing
polite
friendly
merciful
pleasant

moral
helpful
humane
feeling
nice
sympathetic
easy
gentle

mild
giving
good
decent
charitable
thoughtful
uncruel

Synonyms
adj causing end of life

savage
destructive
suicidal
murderous
pernicious
noxious
dangerous
poisonous
mortal
cruel

bloody
harmful
toxic
violent
malignant
virulent
lethal
fatal
baleful
baneful

bloodthirsty
cannibalistic
deathly
deleterious
destroying
grim
homicidal
injurious
internecine
killing

pestiferous
pestilent
ruthless
unrelenting
venomous
pestilential
carcinogenic
death-dealing
mortiferous
slaying

Antonyms

kind
helpful
healthy
wholesome
harmless
animating

energizing
healthful
invigorating
lively
calm
benign

nice
gentle
nonpoisonous
life-giving

Synonyms
adj persevering, hard-working

industrious
attentive
earnest
indefatigable
persistent
assiduous
studious

painstaking
eager
conscientious
active
careful
tireless
busy

constant
eager beaver
grind
laborious
occupied
operose
pertinacious

sedulous
steadfast
unflagging
unrelenting
untiring
persisting
plugging

Antonyms

idle
inactive
lazy
ignorant
inattentive
neglectful
unconcerned

tired
weary
disinterested
unscrupulous
indifferent
languid
lethargic

negligent
unenthusiastic
thoughtless
careless
uncareful

Synonyms
adj hopeless, horrible in manner, appearance

gloomy
harsh
horrid
sour
somber
terrible
cruel
glum
grisly
ghastly
stern
gruesome
shocking

ominous
bleak
austere
barbarous
cantankerous
churlish
crusty
dogged
ferocious
fierce
forbidding
foreboding
formidable

frightful
funereal
grouchy
grumpy
hideous
implacable
inexorable
intractable
merciless
morose
relentless
resolute
ruthless

severe
sinister
stubborn
sulky
sullen
surly
truculent
unrelenting
unyielding
crabbed
glowering
scowling
splenetic

Antonyms

cheerful
joyful
encouraging
pleasing
kind
pleasant

wonderful
pretty
comforting
bright
light
sunny

happy
gentle
nice
good
hopeful

Synonyms
adj cruel, ruthless

bleak
tough
harsh
painful
grim
acrimonious
angry
antagonistic
austere
bitter
brutal
callous

cold
cold-blooded
dark
disagreeable
distressing
dour
exacting
grievous
hard-boiled
hostile
inclement
intemperate

intolerable
obdurate
perverse
pitiless
rigorous
rugged
severe
stern
strict
stringent
stubborn
thick-skinned

unfeeling
unjust
unkind
unpleasant
unrelenting
unsparing
unsympathetic
vengeful
rancorous
resentful
cold fish
hard as nails

Antonyms

pleasant
cheerful
kind
malleable
pliable
facile
merciful
disputable
inexact

questionable
uncertain
untrue
bright
nice
sunny
gentle
easy
flexible

pliant
soft
yielding
mild
simple
sensitive
sympathetic
doubtful

Synonyms
adj rough, crude (to the senses)

hard
grim
severe
rigid
sharp
bitter
strident
bleak
coarse
acrid
astringent
cacophonous
clashing

cracked
craggy
disagreeing
discordant
dissonant
disturbing
earsplitting
flat
glaring
grating
guttural
hoarse
incompatible

jagged
jarring
noisy
off-key
rasping
raucous
rugged
rusty
sour
uneven
unrelenting
croaking
unmusical

asperous
caterwauling
creaking
jangling
not smooth
out-of-key
out-of-tune
screeching
stridulous
tuneless
unlevel
unmelodious

Antonyms

pliable
facile
pleasant
cheerful
kind
peaceful
pleasing
courteous

polite
flexible
pliant
soft
yielding
easy
mild
nice

bright
sunny
calm
moderate
bland
low
gentle
smooth

Synonyms
adj nasty, abusive

stringent
tough
unkind
rude
ruthless
hard
cruel
brutal
relentless

severe
unpleasant
punitive
stern
sharp
bitter
grim
austere
discourteous

dour
gruff
hairy
hard-boiled
hard-nosed
mean
pitiless
uncivil
unfeeling

ungracious
unrelenting
wicked
comfortless
hard-shell
cussed

Antonyms

inexact
tolerant
kind
facile
considerate
friendly
compassionate
merciful
pleasant
wonderful

cheerful
peaceful
pleasing
courteous
polite
flexible
gentle
nice
easy
giving

sympathetic
mild
calm
agreeable
good
bland
smooth
soft

Synonyms
adj set on

bent on
bound and determined
constant
decided
determined
driven
firm

fixed
intent
obsessed
persevering
persistent
relentless
resolute

serious
single-minded
steadfast
strong-willed
stubborn
tenacious
unrelenting

unwavering
unhesitating
resolved
set on
strong-minded

Synonyms
adj merciless, cruel

uncompromising
unrelenting
intractable
inexorable
ruthless

unyielding
unforgiving
relentless
grim
inflexible

mortal
pitiless
remorseless
unbending
unflinching

vindictive
rancorous
unappeasable
ironfisted

Antonyms

compassionate
merciful
remorseful

kind
flexible
sympathetic

yielding
nice
placable

Synonyms
adj never-ending, persistent

unrelenting
round-the-clock
ceaseless
constant
unceasing
continuous

perpetual
unending
unremitting
continual
interminable
relentless

nonstop
endless
eternal
everlasting
monotonous
timeless

unbroken
day-and-night
interminate

Antonyms

merciful
completed
infrequent
occasional
inconstant
interrupted
discontinuous

halting
intermittent
temporary
transient
bounded
sympathetic
ceasing

ending
finished
irregular
stopping
terminable
terminating
broken

Synonyms
adj cruel, pitiless

implacable
unrelenting
inescapable
relentless
merciless
adamant
bound
bound and determined
compulsory
dogged

hard
harsh
immobile
immovable
ineluctable
inflexible
ironclad
necessary
obdurate
obstinate

remorseless
resolute
rigid
severe
single-minded
stubborn
unbending
uncompromising
unyielding
adamantine

unappeasable
unmovable
mean business
dead set on
hell bent on
like death and taxes
locked in
no going back
set in stone

Antonyms

kind
merciful
lenient

remorseful
nice
sympathetic

flexible
yielding

Synonyms
adj stubborn

uncompromising
intractable
stringent
steadfast
resolute
strict
unyielding
rigid
rigorous
obstinate

adamant
immutable
adamantine
determined
dogged
dyed-in-the-wool
firm
fixed
hard
hard-and-fast

immovable
implacable
indomitable
inexorable
iron
obdurate
relentless
set
single-minded
staunch

stiff
unbending
unchangeable
uncompliant
unrelenting
steely
unadaptable
unswayable
set in one’s ways
stand one’s ground

Antonyms

willing
tolerant
irresolute
lenient
submissive
pliable

resilient
cooperative
flexible
amenable
easy-going
yielding

pliant
soft
reasonable
bendable
elastic

Synonyms
adj animal, savage

barbaric
barbarous
bestial
brutal
cannibalistic
cold-blooded
cruel
devilish
diabolical

fell
ferocious
fiendish
fierce
grim
hateful
heartless
implacable
malicious

malign
malignant
mean
merciless
pitiless
relentless
remorseless
ruthless
truculent

unfeeling
unkind
unrelenting
unsympathetic
vicious
uncompassionate

Antonyms

animate

human/humane

sensate

Synonyms
adj demanding

unrelenting
resolute
forceful
persistent
incessant
urgent
pressing

dire
assertive
emphatic
burning
clamant
clamorous
continuous

crying
dogged
exigent
imperative
imperious
importunate
obstinate

peremptory
persevering
reiterative
resounding
perseverant

Antonyms

unimportant
insignificant
trivial

disinterested
indifferent
lenient

tolerant
relenting
weak

Synonyms
adj mean, heartless

unrelenting
implacable
inexorable
barbarous
harsh
ruthless
callous
severe
grim

unyielding
cruel
fierce
unforgiving
relentless
unsparing
unmerciful
cutthroat
dog-eat-dog

gratuitous
hard
hardhearted
hatchet job
mortal
pitiless
uncalled-for
unfeeling
unflinching

unsympathetic
wanton
compassionless
unappeasable
unpitying
inhumane
having a killer instinct
iron-fisted
mean machine

Antonyms

compassionate
merciful
kind
remorseful
polite
peaceful
considerate

sparing
flexible
sympathetic
nice
yielding
easy
gentle

mild
feeling
tender
calm
bright
giving

Synonyms
adj deadly

grievous
dire
terrible
malignant
lethal
fatal
grim
great

last
ending
terminal
killing
bitter
grave
extreme
deathly

destructive
intense
merciless
monstrous
murderous
noxious
pestilent
poisonous

relentless
remorseless
ruthless
severe
unrelenting
pestilential
death-dealing
mortiferous

Antonyms

harmless
trivial
unimportant
initial
invigorating
permanent

refreshing
animal
inhuman
good
nice
life-giving

beginning
starting
mild
lifegiving
immortal
plant

Synonyms
adj pigheaded, stubborn

adamant
callous
dogged
firm
fixed
hard
hard-boiled
hard-nosed
harsh
heartless
immovable

implacable
inexorable
inflexible
iron
mean
mulish
obstinate
perverse
relentless
rigid
thick-skinned

tough
unbending
uncompromising
uncooperative
unemotional
unfeeling
unrelenting
unshakable
unsympathetic
unyielding
indurate

uncompassionate
cold fish
bullhead
hanging tough
hard-hearted
set in stone
stiff-necked
tough nut to crack
unimpressible

Antonyms

submissive
susceptible

amenable
gentle

yielding

Synonyms
adj determined; continuous

tenacious
stubborn
unrelenting
constant
enduring
steadfast
resolute
perpetual
steady
incessant

repeated
insistent
unremitting
continual
relentless
endless
assiduous
bound
bound and determined
dogged

firm
fixed
immovable
indefatigable
interminable
never-ending
obdurate
obstinate
persevering
pertinacious

sticky
tireless
unflagging
unshakable
bulldogged
in for long haul
like bad penny
perseverant
persisting

Antonyms

merciful
inconstant
unstable
unsteady
interrupted
disloyal
untrustworthy

temporary
intermittent
lazy
weak
yielding
sympathetic
ending

stopping
terminable
broken
ceasing
relenting
surrendering

Synonyms
adj cruel, merciless

unrelenting
uncompromising
inexorable
ferocious
harsh
implacable
ruthless
rigorous
unyielding
determined

fierce
dogged
unforgiving
single-minded
adamant
bound
bound and determined
grim
hard
inflexible

inhuman
mortal
obdurate
pitiless
remorseless
rigid
stiff
strict
stringent
unbending

unflinching
vindictive
unappeasable
unstoppable
dead set on
go for broke
hang in
hang-tough
stop at nothing
undeviating

Antonyms

compassionate
merciful
lenient
remorseful
kind
nonviolent
peaceful

irresolute
understanding
intermittent
flexible
sympathetic
yielding
gentle

mild
tame
tender
easy
nice
ending
stopping

Synonyms
adj continuous, neverending

unrelenting
tenacious
punishing
unflagging

persistent
incessant
unremitting
sustained

nonstop
pertinacious
unbroken
unfaltering

unrelieved
unstoppable
unabated

Antonyms

intermittent
kind
merciful
understanding

relenting
surrendering
yielding
sympathetic

ending
stopping

Synonyms
adj without guilt in spite of wrongdoing

avaricious
barbarous
bloody
callous
cruel
fierce
forbidding
greedy
grim
hard
hardened

harsh
impenitent
implacable
inexorable
inhuman
insensitive
intolerant
merciless
murderous
obdurate
pitiless

relentless
rigorous
ruthless
savage
shameless
sour
tough
tyrannical
unforgiving
unmerciful
unrelenting

unyielding
vindictive
hard-bitten
sanguinary
uncompassionate
unremitting
hard-hearted
inhumane
uncontrite
unregenerate
unrepenting

Antonyms

ashamed
guilty

remorseful
sad

sorry

Synonyms
adj stiff, strict, severe

uncompromising
stringent
austere
harsh
solid
hard-line
definite
unyielding
inflexible
intransigent
stern

rigorous
adamant
fixed
exact
bullheaded
changeless
determined
firm
hard
inelastic
inexorable

invariable
obdurate
set
single-minded
static
strait-laced
unalterable
unbending
unbreakable
unchanging
unmoving

unrelenting
adamantine
incompliant
chiseled
dead set
locked in
set in stone
tough nut to crack
undeviating
unpermissive

Antonyms

willing
inexact
tolerant
unreliable
indefinite
irresolute
lenient

bending
limber
pliable
flexible
gentle
mild
easy

soft
broken
imprecise
unfixed
yielding
pliant

Synonyms
adj mean, heartless

unrelenting
savage
unforgiving
ferocious
harsh
rancorous
inhuman
callous
vicious
brutal
unyielding
fierce

cruel
cold-blooded
cutthroat
sadistic
barbarous
malevolent
relentless
merciless
vindictive
adamant
cold
dog-eat-dog

feral
grim
hard
implacable
inexorable
killer
mortal
obdurate
pitiless
remorseless
revengeful
severe

stern
stony
surly
unfeeling
unmerciful
unsympathetic
unappeasable
hard-hearted
ironfisted
without pity

Antonyms

compassionate
merciful
civilized
kind
forgiving
nonviolent
peaceful
polite

friendly
humane
considerate
flexible
sympathetic
calm
tame
nice

easy
gentle
mild
tender
feeling
giving

Synonyms
adj cruel, vicious

unrelenting
barbarous
murderous
ruthless
atrocious
inhuman
brutal
bloody
fierce
violent
cold-blooded
sadistic

ferocious
destructive
relentless
merciless
harsh
raging
crazed
fell
infernal
beastly
bestial
bloodthirsty

devilish
diabolical
feral
frantic
furious
grim
heartless
hellish
malevolent
malicious
pitiless
rabid

rapacious
remorseless
truculent
inhumane
demoniac
ravening
brutish
ferine
wolfish

Antonyms

compassionate
merciful
kind
polite
humane
nonviolent
peaceful

civilized
domesticated
sympathetic
nice
easy
gentle
giving

calm
tame
tender
mild
benign

Synonyms
adj uncompromising, stern

serious
relentless
harsh
strict
astringent
austere
biting
caustic
close
cold
cruel
cutting

dour
earnest
firm
flinty
forbidding
grave
grim
hard
hard-nosed
inconsiderate
inexorable
inflexible

obdurate
oppressive
peremptory
pitiless
resolute
rigid
satirical
scathing
sober
stern
stiff
strait-laced

tight-lipped
unalterable
unbending
unchanging
unfeeling
unrelenting
unsparing
disapproving
iron-handed
resolved
unsmiling

Antonyms

kind
friendly
willing
facile

amenable
compromising
easy-going
calm

easy
mild
temperate

Synonyms
adj difficult, harsh

heavy
acute
drastic
stringent
tough
punishing
dangerous
violent
serious
fierce
sharp
bitter
intense

extreme
arduous
ascetic
austere
bleak
consequential
critical
dear
demanding
despotic
distressing
domineering
exacting

forbidding
grave
grim
grinding
hard
hefty
implacable
inclement
intemperate
mordant
oppressive
overbearing
pitiless

rigorous
rugged
sore
strenuous
taxing
toilsome
tyrannical
unpleasant
unrelenting
weighty
wicked
effortful

Antonyms

trivial
unimportant
stupid
kind
peaceful
friendly
willing
facile
light

easy
happy
slow
blunt
dull
calm
mild
gentle
nice

tender
moderate
bland
amenable
compromising
easy-going
temperate

Synonyms
adj serious, authoritarian

tough
harsh
flinty
hard-nosed
strict
rigid
grim
forbidding
rough
astringent

bitter
ascetic
austere
bullheaded
cruel
disciplinary
dyed-in-the-wool
frowning
hard
hard-boiled

hard-core
hard-line
hardheaded
implacable
inexorable
inflexible
mulish
relentless
rigorous
severe

stubborn
unrelenting
unsparing
unyielding
hard-shell
steely
by the book
hang-tough
mortified
stiff-necked

Antonyms

kind
lenient
cheerful
tolerant
gentle

nice
easy
soft
flexible
yielding

mild
bland
funny
light
smiling

Synonyms
adj formal, standoffish

wooden
cold
strong
angular
artificial
austere
ceremonious
forced

hardheaded
headstrong
inflexible
intractable
labored
mannered
obstinate
pertinacious

pompous
priggish
prim
punctilious
relentless
starchy
stilted
stubborn

uneasy
ungainly
ungraceful
unnatural
unrelenting
constrained
unrelaxed

Antonyms

pliable
graceful
informal
flexible

pliant
soft
casual
easy

calm
moderate
normal

Synonyms
adj hard, icy in appearance, response

frigid
expressionless
adamant
blank
callous
chilly
cold
cold-blooded

cruel
firm
hard-boiled
hardened
heartless
hostile
indifferent
inexorable

inflexible
merciless
obdurate
pitiless
rough
tough
unfeeling
unforgiving

unrelenting
unresponsive
unsympathetic
uncompassionate
coldhearted

Antonyms

friendly
smiling

soft
warm

Synonyms
adj rigid, tough

firm
obstinate
reserved
crisp
aloof
distant
formal
hard-line
hold the line
incompliant

inelastic
inexorable
inflexible
intractable
obdurate
relentless
resolute
severe
single-minded
stiff

strict
stubborn
uncompromising
unrelenting
unyielding
uptight
do or die
dug in
hard as nails
hold the fort

locked in
set in stone
standing pat
unflexible
unswayable
hold one’s ground
standing one’s ground
sticking to one’s guns

Antonyms

bending
pliable
flexible

soft
yielding
pliant

relaxed

Synonyms
adj certain, unchanging

steadfast
unflagging
eternal
inexhaustible
boundless
bottomless
absolute
assiduous
ceaseless
consistent
constant

continual
continuing
continuous
dependable
diligent
dyed-in-the-wool
endless
faithful
infallible
invariable
loyal

persistent
reliable
same
solid
staunch
straight
sure
tried-and-true
trustworthy
unlimited
unrelenting

true
come-through
counted on
delivering
never-failing
rock solid
surefire
there

Antonyms

changing
failing

impermanent
uncertain

unsure
limited

Synonyms
adj persistent

unrelenting
unceasing
indefatigable
unfailing
inexhaustible
unremitting

staunch
tireless
active
assiduous
constant
diligent

dynamic
energetic
fixed
persevering
steady
unfaltering

untiring
unwearied
undeviating
unretiring

Antonyms

tired
weary

changing
inconstant

variable
wavering

Synonyms
adj cruel

merciless
bestial
bloodthirsty
brutal
hard
heartless

hurtful
implacable
monstrous
pitiless
relentless
remorseless

ruthless
uncaring
unfeeling
unrelenting
unsparing
vengeful

vindictive
tyrannous
unpitying
coldhearted
inhumane

Antonyms

kind
merciful

generous
nice

Synonyms
adj steadfast, resolute

uncompromising
stubborn
unwavering
adamant
intractable
unrelenting
ruthless
inflexible
hard-nosed
immovable
implacable

determined
rigid
hard-line
staunch
single-minded
relentless
merciless
obstinate
firm
fixed
hard

hard-core
hardheaded
headstrong
inexorable
mulish
obdurate
pertinacious
pigheaded
refractory
solid
stiff

tough
unbending
uncompliant
unmovable
dead set on
immalleable
impliable
locked in
stiff-necked
unswayable

Antonyms

willing
submissive
compassionate
merciful
kind
pliable

irresolute
cooperative
flexible
giving
yielding
wavering

pliant
soft
sympathetic
nice
weak
surrendering

Synonyms
adj hateful, revengeful

vengeful
resentful
ruthless
malicious
spiteful

cruel
unforgiving
merciless
grim
implacable

malignant
relentless
unrelenting
venomous
rancorous

retaliatory
avenging
grudging
wreakful

Antonyms

forgiving
compassionate
considerate
kind

merciful
helpful
gentle
giving

nice
sympathetic
thoughtful

Synonyms
adj animal

savage
barbarous
hateful
ruthless
malicious
cruel
brutal
vicious
barbaric

cold-blooded
heartless
merciless
bestial
cannibalistic
devilish
diabolical
fell
ferocious

fiendish
fierce
grim
implacable
malign
malignant
mean
pitiless
relentless

remorseless
truculent
unfeeling
unkind
unrelenting
unsympathetic
uncompassionate
inhumane
wolfish

Antonyms

civilized
kind
polite
friendly
pleasant
compassionate

considerate
merciful
human
nice
gentle
giving

sympathetic
good
thoughtful
feeling

Synonyms
adj merciless

unrelenting
ruthless
cruel

relentless
heartless
pitiless

remorseless
revengeful
unkind

unsympathetic
uncompassionate

Antonyms

compassionate
merciful
considerate
kind
forgiving

remorseful
tolerant
sympathetic
gentle
nice

feeling
bright
easy

Synonyms
adj completely serious

determined
driven
hell-bent
intent
obsessed

persistent
relentless
resolute
serious
single-minded

steadfast
stubborn
tenacious
unrelenting
unwavering

resolved
set on
strong-minded

Synonyms
adj stubborn

adamant
firm
hardheaded
implacable
incompliant
inexorable

inflexible
intransigent
mulish
obdurate
obstinate
opinionated

pigheaded
relentless
remorseless
rigid
unbendable
unbending

unbreakable
uncompliant
uncompromising
unrelenting
unyielding

Synonyms
adj inflexible

unalterable
adamant
adamantine
determined
dogged
dyed-in-the-wool
firm
fixed
hard
hard-and-fast
immovable

immutable
implacable
indomitable
inexorable
intractable
invariable
iron
ironclad
obdurate
obstinate
relentless

resolute
rigid
rigorous
set
single-minded
staunch
steadfast
stiff
strict
stringent
unbending

unchangeable
uncompliant
uncompromising
unrelenting
unyielding
steely
unadaptable
unswayable
set in one’s ways
stand one’s ground

Synonyms
adj stubborn

adamantine
balky
bullheaded
cantankerous
contumacious
determined
die-hard
dogged
grim
hardheaded
headstrong
implacable
inexorable
insubordinate
intractable

intransigent
iron
mulish
obdurate
opinionated
ornery
persevering
persistent
perverse
rebellious
recalcitrant
remorseless
rigid
single-minded
steadfast

unbendable
unbending
uncompliant
uncompromising
unmanageable
unrelenting
unshakable
unyielding
adamant
brassbound
cussed
firm
fixed
inflexible
mule

pertinacious
pigheaded
refractory
relentless
self-willed
stiff-necked
tenacious
tough
unreasonable
untoward
willful
set in one’s ways

Synonyms
adj harsh

hoarse
discordant
raspy
cracked
raucous
acrid
astringent
bitter
bleak
cacophonous
clashing
coarse
craggy
croaking

disagreeing
dissonant
disturbing
dry
earsplitting
flat
glaring
grating
grim
guttural
hard
incompatible
jagged
jarring

noisy
off-key
rasping
rigid
rough
rugged
rusty
severe
sharp
sour
squawky
strident
uneven
unmusical

unrelenting
asperous
caterwauling
creaking
jangling
not smooth
out-of-key
out-of-tune
screeching
stridulous
tuneless
unlevel
unmelodious

Antonyms

soft

Synonyms
adj harsh

acrid
astringent
bitter
bleak
cacophonous
clashing
coarse
cracked
craggy
croaking
disagreeing
discordant
dissonant
disturbing

dry
earsplitting
flat
glaring
grating
grim
guttural
hard
hoarse
incompatible
jagged
jarring
noisy
off-key

rasping
raspy
raucous
rigid
rough
rugged
rusty
scratchy
severe
sharp
sour
strident
uneven
unmusical

unrelenting
asperous
caterwauling
creaking
jangling
not smooth
out-of-key
out-of-tune
screeching
stridulous
tuneless
unlevel
unmelodious

Synonyms
adj stubborn

adamantine
balky
bullheaded
cantankerous
contumacious
determined
die-hard
dogged
grim
hardheaded
headstrong
implacable
incompliant
inexorable
insubordinate

intractable
intransigent
iron
mulish
obdurate
opinionated
ornery
persevering
persistent
perverse
rebellious
recalcitrant
remorseless
rigid
single-minded

steadfast
unbending
uncompliant
uncompromising
unmanageable
unrelenting
unshakable
unyielding
adamant
brassbound
cussed
firm
fixed
inflexible
mule

pertinacious
pigheaded
refractory
relentless
self-willed
stiff-necked
tenacious
tough
unreasonable
untoward
willful
set in one’s ways

Synonyms
adj stubborn

adamantine
balky
bullheaded
cantankerous
contumacious
determined
die-hard
dogged
grim
hardheaded
headstrong
implacable
incompliant
inexorable
insubordinate

intractable
intransigent
iron
mulish
obdurate
opinionated
ornery
persevering
persistent
perverse
rebellious
recalcitrant
remorseless
rigid
single-minded

steadfast
unbendable
unbending
uncompromising
unmanageable
unrelenting
unshakable
unyielding
adamant
brassbound
cussed
firm
fixed
inflexible
mule

pertinacious
pigheaded
refractory
relentless
self-willed
stiff-necked
tenacious
tough
unreasonable
untoward
willful
set in one’s ways